Home / 86,990,809.20-130,504,876.20-26,412,658.80

Finding the Fourth Proportional to 86,990,809.20, 130,504,876.20 and 26,412,658.80

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Solution

The fourth proportional to 86,990,809.20, 130,504,876.20 and 26,412,658.80 is: 39,624,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,990,809.20 : 130,504,876.20 = 26,412,658.80 : x
  2. Step 2: Convert to fraction form
    86,990,809.20/130,504,876.20 = 26,412,658.80/x
  3. Step 3: Cross multiply
    86,990,809.20x = 130,504,876.20 × 26,412,658.80
  4. Step 4: Simplify right side
    86,990,809.20x = 3,446,980,766,806,840.50
  5. Step 5: Solve for x
    x = 3,446,980,766,806,840.50/86,990,809.20
  6. Step 6: Final answer
    x = 39,624,654.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.